Forklift tractor



FIG. 1 is a right side elevational view of a forklift tractor showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a top, rear and left side perspective view thereof.

The tires shown in broken lines in FIGS. 1-6 are shown for illustrative purposes only and form no part of the claimed design; 

The ornamental design of a forklift tractor, as shown and described. 